Data as of Nov 10, 2026
Autonomous system
AS23309
Contra Costa County Office of Education
Announces 65,536 addresses in 1 prefixes. None of it is anonymizer space.
Type
Business
US
Proxy activity, 30 days
15 exits
Announced prefixes
| Prefix | Type | Proxy exits | RPKI |
|---|---|---|---|
| 169.199.0.0/16 since May 2005 | Business | 15 |
Residential-proxy exposure
Spread
8
/24s with at least one exit
Providers
8
selling exits here
/24s with the most always-on exits
| /24 | Always-on exits | Proxy exits | |
|---|---|---|---|
| 169.199.224.0/24 | 0 | 7 | |
| 169.199.30.0/24 | 0 | 2 | |
| 169.199.4.0/24 | 0 | 1 | |
| 169.199.20.0/24 | 0 | 1 | |
| 169.199.43.0/24 | 0 | 1 | |
| 169.199.122.0/24 | 0 | 1 | |
| 169.199.141.0/24 | 0 | 1 | |
| 169.199.168.0/24 | 0 | 1 |
Proxy providers listing exits
- AnyIP
- ColaProxy
- FastProxy
- FloppyData
- LemonBright
- NovProxy
- RainProxy
- Thordata
Proxy activity
Oct 11, 2026 – Nov 8, 2026
AS23309, day by day
178 observations
Network & history
Profile
- Registered
- Feb 26, 2002
- Domain
- cccoe.k12.ca.us
- Industry
- Government and Public Administration
Routing patterns
How its announcements have moved
Arrivals